689  
CDUS43 KLOT 290648  
CLIRFD  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE CHICAGO IL  
144 AM CDT MON MAY 29 2017  
 
   
...............................
 
 
   
..THE ROCKFORD IL CLIMATE SUMMARY FOR MAY 28 2017
 
 
CLIMATE NORMAL PERIOD 1981 TO 2010  
CLIMATE RECORD PERIOD 1905 TO 2017  
 
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST  
VALUE (LST) VALUE VALUE FROM YEAR  
NORMAL    
..............................................................
 
 
TEMPERATURE (F)  
YESTERDAY  
MAXIMUM 77 414 PM 93 2006 76 1 85  
1991  
MINIMUM 57 1144 PM 36 1992 52 5 68  
1949  
AVERAGE 67 64 3 77  
 
PRECIPITATION (IN)  
YESTERDAY 0.50 4.77 1996 0.14 0.36 T  
MONTH TO DATE 4.90 3.57 1.33 2.55  
SINCE MAR 1 14.82 9.24 5.58 9.46  
SINCE JAN 1 18.85 12.02 6.83 10.99  
 
SNOWFALL (IN)  
YESTERDAY 0.0 0.0 MM 0.0 0.0 0.0  
MONTH TO DATE T 0.0 0.0 0.0  
SINCE MAR 1 5.1 5.7 -0.6 2.8  
SINCE JUL 1 22.1 36.7 -14.6 24.0  
SNOW DEPTH 0  
 
DEGREE DAYS  
HEATING  
YESTERDAY 0 4 -4 0  
MONTH TO DATE 215 191 24 199  
SINCE MAR 1 1371 1529 -158 1349  
SINCE JUL 1 5445 6531 -1086 5535  
 
COOLING  
YESTERDAY 2 3 -1 12  
MONTH TO DATE 28 38 -10 54  
SINCE MAR 1 36 46 -10 61  
SINCE JAN 1 36 46 -10 61    
..............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 21 HIGHEST WIND DIRECTION W (280)  
HIGHEST GUST SPEED 27 HIGHEST GUST DIRECTION W (280)  
AVERAGE WIND SPEED 6.2  
 
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.6  
 
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
THUNDERSTORM  
RAIN  
LIGHT RAIN  
FOG  
HAZE  
 
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 90 600 AM  
LOWEST 38 500 PM  
AVERAGE 64  
   
......................................................
 
 
 
THE ROCKFORD IL CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 76 97 1934  
MINIMUM TEMPERATURE (F) 53 33 1965  
 
 
SUNRISE AND SUNSET  
MAY 29 2017...........SUNRISE 524 AM CDT SUNSET 824 PM CDT  
MAY 30 2017...........SUNRISE 524 AM CDT SUNSET 825 PM CDT  
 
 
- INDICATES NEGATIVE NUMBERS.  
R INDICATES RECORD WAS SET OR TIED.  
MM INDICATES DATA IS MISSING.  
T INDICATES TRACE AMOUNT.  
 

 
 
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